Home / 19,006.38-28,501.32-7,311.39

Finding the Fourth Proportional to 19,006.38, 28,501.32 and 7,311.39

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Solution

The fourth proportional to 19,006.38, 28,501.32 and 7,311.39 is: 10,963.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.38 : 28,501.32 = 7,311.39 : x
  2. Step 2: Convert to fraction form
    19,006.38/28,501.32 = 7,311.39/x
  3. Step 3: Cross multiply
    19,006.38x = 28,501.32 × 7,311.39
  4. Step 4: Simplify right side
    19,006.38x = 208,384,266.03
  5. Step 5: Solve for x
    x = 208,384,266.03/19,006.38
  6. Step 6: Final answer
    x = 10,963.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.